Look at rocks
Look at a rock up close. Look at the shape, the variations and all the textures.
Examine it with a magnifying glass, or if you have access to something more powerful, like an electron microscope, try looking at it with that.
If you don't have an electron microscope, try to find one that you can use. This alone could be quite entertaining.
Remember to tell them you want to look at your rock up really close.
If you can't find an electron microscope, don't worry - pretend that you have super-vision, and can see better with your own eyes than you could even with an electron microscope. Draw what you see on paper, and document everything in great detail. Remember that the very future of humanity depends on your accurate and detailed account of this rock.
When you've documented everything and have assured its accuracy, compile the information into a booklet, or publish it on the internet.
If you want even more excitement from this little rock, send the information to your local newspaper, or even your State Senator. Assure them that the facts are there, and that you are absolutely serious about your claims.
If you are publishing your account to a website, do everything you can to make sure that people will find out about it. If you have a few extra dollars, buy advertising so that people will find your page when they search for rocks.
This entertainment could last for days, or even months. For best effect, take this one as far as y...